Nextcloud. Have you heard of it? That’s quite probable if you’re here. But, what is it, what is it? Some say it is a Google Apps replacement, some say it’s just a place to store your documents, some others just rely on it to share documents across the company and edit them just in time […]
How to install Nextcloud on FreeBSD 12
How to use Fail2ban with WordPress
In a previous article we did an install of Fail2ban on a FreeBSD server. This tool can help us to protect our WordPress install, independatly from if we are using the FAMP stack or the LAMP stack. As I mentioned on that article Fail2ban is a complementary tool to our firewall. It works by scanning […]
How to test pfSense on VirtualBox running on FreeBSD
There are other guides on how to do this on Windows, Mac, but not on FreeBSD, so here goes a how to pfSense on Virtualbox running on FreeBSD. Before going to it, let’s address the first question, which is what is pfSense. pfSense is a FreeBSD based distribution made for networking purposes. The company behind […]
Absolute FreeBSD 3rd Edition Book Review
Absolute FreeBSD 3rd Edition from Michael W. Lucas, printed by ‘No Starch Press’, is an absolute (pun intended) must have for every BSD user and I’d go so far as to say to every UNIX and Linux user indeed. If you find the articles in Adminbyaccident.com useful to you, please consider making a donation. Use […]
How to install Fail2ban on FreeBSD
Fail2ban is a complementary tool to your firewall. It works by scanning log files and bans IPs which present suspicious activity such as failed logins. It is compatible with many UNIX-like systems and is a security tool to have in your arsenal. It can filter not only ssh logins, but other services too, for example […]
ARP spoofing attacks
ARP spoofing attacks are quite harming and they can easily constitute a man-in-the-middle (MITM) attack. They consist on the attacker sending ARP packets into the network the victim is located, typically redirecting traffic to the attacker’s machine. Once this is achieved the attacker can sniff all the traffic sent by the victim’s device and obtain […]
How to configure Apache HTTP as a reverse proxy on FreeBSD
Apache HTTP as a reverse proxy consists on setting an Apache HTTP server as a frontal access for one or multiple backend servers. In the recent years many have started using NGINX as a reverse proxy since this piece of software really shines for serving static content an acting as a cache server. This doesn’t […]
The LAMP stack (Debian 9)
LAMP stack stands for a software stack composed by Linux, Apache, MySQL and PHP (or Perl). It is used for many purposes and its common ground for system administrators. Since there are several of Linux distributions there are some differences in the way the LAMP stack is installed. In this guide we are using the […]
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FreeBSD particularities
As some others unix-like operating systems FreeBSD has some particularities aside to the UNIX heritage, licensing and the like. The init system is the way a system starts up and the BSD has always been different. If you happen to be a UNIX admin I am sure you are aware of this and the folks […]